Re: weirdness with ->mm vs ->active_mm handling

From: Benjamin LaHaise (bcrl@redhat.com)
Date: Thu Aug 29 2002 - 18:52:18 EST

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On Thu, Aug 29, 2002 at 07:45:49PM -0400, Alexander Viro wrote:
> Lazy-TLB == "promise not to use a lot of stuff in the kernel". In particular,
> any page fault in that state is a bug.

In that case the lazy vmalloc faulting code is busted, as accessing a vmalloc
page may need to fill in a pgd/pmd entry from a lazy tlb task. Got an idea
for a more preferable fix?

-ben

-- 
"You will be reincarnated as a toad; and you will be much happier."
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